511.The schematic diagram should tend to deal with an overall system rather than with subsystems , e , g , the air conditioning system rather than a conpress or boower within the air conditionging system( )

A. 　Take the oxygen mask in a hurry to start the flow of oxygen.

B. 　Pull the oxygen mask with a sudden movement to start the flow of oxygen.

C. 　Pull the oxygen mask in a must to start the flow of oxygen.

A. 　In this configuration, we required a same test procedure.

B. 　This configuration demands a different test procedure.

C. 　In this configuration, a different test procedure is required or not.

A. 　一套俯仰保持系统,在左右液压系统之间的动力转换组件,将提供给水平安定面第三种动力源。

B. 　一套俯仰增强系统,在左右液压系统之间的动力转换组件,将提供给水平安定面第三种动力源。

C. 　一套俯仰增强系统,在左右液压系统之间的动力转换组件,将提供给升降舵第三种动力源。

A. 离进气道越远，气流速度就越快

B. 当人员靠近发动机时，吸力并不是逐步缓慢增加的

C. 离进气道越近，气流速度就越慢

D. 当人员靠近发动机时，吸力是逐步缓慢增加的

A. 　Obey the safety precautions when you do work with high voltages.

B. 　Obey the safety warnings when you do work with high impedance.

C. 　Obey the safety cautions when you do work with high capacitance.

A. 　GOVERNED

B. 　REGULATED

C. 　CONTROLLED

A. 　将透明塑料环从电子锁的末端拉岀。

B. 　将透明塑料环从电子锁的前端拉岀。

C. 　将透明塑料环从电子锁的顶端拉岀。

A. 　为了参考使用,标签分隔符应该按顺序排列。

B. 　交错使用制表分隔符将有助于参考。

C. 　为了便于参考,隔页签应交错排列。

A. 　The temperature increase results in the tension decreasing in the cables.

B. 　The temperature increase affect slightly the tension in the cables.

C. 　The tension in the cables is a crucial factor in the temperature changes.

A. 　跳开关安装在组件的前部。

B. 　跳开关位于组件侧面。

C. 　跳开关安装在组件的后部。